选出划线部分发音与众不同的一项：(10分)
(1)A. peach     B. tea      C. meat    D. bread
(2)A. blue      B. brown    C. black    D. block
(3)A. house     B. mouth    C. our     D. short
(4)A. cow     B. yellow   C. snow    D. grow
(5)A. fruit     B. friend    C. frog    D. flag